Much Colder in Seven Days

UPDATED at 4:00 PM

Tonight: Mostly clear and cooler. Low: 33-37. Wind: NW 10-15 mph.

Tuesday: Mostly sunny and cooler. High: 49-56. Wind: NW 10-15 mph.

Tuesday Night: Clear and colder. Low: 22-27. Wind: N 5-10 mph.

Wednesday: Mostly sunny. High: near 40.

Thursday: Mostly cloudy and breezy (SW 10-20 mph) with a 20% chance of light rain. High: mid-upper 40s.

Friday: Mostly cloudy. High: mid 30s.

Saturday: Mostly cloudy. High: upper 30s.

Sunday: Mostly cloudy with a 20% chance of rain. High: mid-upper 30s.

Monday: Mostly cloudy with a 20% chance of snow. High: mid 20s.

It felt more like early October instead of early December. Record high temperatures were set in many locations. Here are some of the records for eastern Iowa.

The high temperature for Waterloo also tied the record high temperature for the month of December. The other times it reached 67 degrees in December was on the December 4, 1998 and December 5, 2001.

A cold front is forecast to cross eastern Iowa this evening. A spotty shower is possible but most locations will be dry. Here is the front this afternoon.

The wind will be gusty this evening as the front crosses eastern Iowa. The wind will be from the northwest with gusts of 25 mph+. The wind will diminish by midnight. The clouds will clear quickly behind the front. Temperatures will drop a little bit tonight and Tuesday but they will remain above normal. Another cold front will drop south Tuesday evening. The front will come through dry but it will drop our temperatures another notch. High temperatures Wednesday will be in the upper 30s and low 40s.

I am tracking a couple of systems that might bring us some precipitation. The first one arrives Thursday with a cold front and a chance of light rain late in the day into Thursday night. At that point the forecast gets a bit trickier. I am not going to mess with details this far out but there is a chance of a rain/snow mix Thursday night. Here is the GFS model for Thursday evening.

Friday and Saturday will be mostly cloudy and dry as high temperatures will be closer to normal.

Another storm system will impact us with a chance of rain Sunday and a rain/snow mix Sunday night and possible light snow into Monday morning. This is day 6 and 7 so details on this are just not available yet. Here is the GFS model for Sunday night.

We will be tracking both of these storm systems for you and get you more details as the day gets closer.


Posted under Forecast Discussion

This post was written by Schnack on December 3, 2012

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